The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 07, 2023

Filed:

Jan. 28, 2020
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventors:

Qian Zhao, Beijing, CN;

Jun Tian, Beijing, CN;

Hongchun Li, Beijing, CN;

Genming Ding, Beijing, CN;

Lili Xie, Beijing, CN;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 13/62 (2006.01);
U.S. Cl.
CPC ...
G01S 13/62 (2013.01);
Abstract

Embodiments of this disclosure provide a motion state detection apparatus and method based on wireless signals and a system, in which variations of energy distribution of reflection points with time are calculated according to wireless signals reflected from a space where an object that is detected is located, and a motion state of the object is determined according to the variations. Thus, the training of the recognition model is not needed, the detection process is simple and detection results are reliable, and are applicable to various different application scenarios.


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